Albinism: A group of genetic disorders in which there is partial or total lack of the pigment melanin in the eyes, skin, and hair. See also: Albinism, oculocutaneous; Hermansky-Pudlak syndrome. From Skin Problems and Treatments Resources How IL Inhibitors Work to Treat Psoriasis Featured Centers What Are the Best PsA Treatments for You?Understanding Biologics 10 Things People With Depression Wish You Knew